220151534 has 4 divisors (see below), whose sum is σ = 330227304. Its totient is φ = 110075766.

The previous prime is 220151521. The next prime is 220151539. The reversal of 220151534 is 435151022.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220151539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55037882 + ... + 55037885.

It is an arithmetic number, because the mean of its divisors is an integer number (82556826).

Almost surely, 2^220151534 is an apocalyptic number.

220151534 is a deficient number, since it is larger than the sum of its proper divisors (110075770).

220151534 is a wasteful number, since it uses less digits than its factorization.

220151534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110075769.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 220151534 is about 14837.5043049699. The cubic root of 220151534 is about 603.8196452142.

It can be divided in two parts, 2201 and 51534, that added together give a palindrome (53735).

The spelling of 220151534 in words is "two hundred twenty million, one hundred fifty-one thousand, five hundred thirty-four".